請問為什麼颱風不會從換日線以東過來? - 颱風討論
By Olga
at 2009-06-29T22:49
at 2009-06-29T22:49
Table of Contents
※ 引述《mijas (Tapas)》之銘言:
: 侵襲東亞的颱風似乎都是從關島附近到菲律賓海域生成的
: 想問一下為什麼生成區域不會在更東邊阿
: 理論上颱風只是因為地球自轉所以主要方向往西
: 既然這樣有沒有可能從換日線以東的海域生成一個超大颱風
: 不好意思可能問了一個蠢問題 但是一直困擾我很久...
基本上 有難度 不過不是不可能
為什麼有難度
換日線附近常有強垂直風切
另海溫也常較兩邊低
所以颱風偏西走到這位置大多不是轉北了 是掛掉了...
如果配合的好(剛好風切弱 海溫高)
是有可能侵襲東亞 過去也有過例子
但會去香港 台灣 日本 OR ?
就要看西北太平洋的高壓型態配置
--
: 侵襲東亞的颱風似乎都是從關島附近到菲律賓海域生成的
: 想問一下為什麼生成區域不會在更東邊阿
: 理論上颱風只是因為地球自轉所以主要方向往西
: 既然這樣有沒有可能從換日線以東的海域生成一個超大颱風
: 不好意思可能問了一個蠢問題 但是一直困擾我很久...
基本上 有難度 不過不是不可能
為什麼有難度
換日線附近常有強垂直風切
另海溫也常較兩邊低
所以颱風偏西走到這位置大多不是轉北了 是掛掉了...
如果配合的好(剛好風切弱 海溫高)
是有可能侵襲東亞 過去也有過例子
但會去香港 台灣 日本 OR ?
就要看西北太平洋的高壓型態配置
--
Tags:
颱風
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